视频中
自己跟着瞧的代码,一模一样
下面是我的代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<title>Document</title>
<script type="text/javascript">
function sear(){
var kw=document.getElementsByName('keyword')[0].value;
var ur1='http://ajax.googleapis.com/ajax/services/search/web?v=1.0&q='+kw+'&callback=aa';//拼接用+号
var src=document.createElement("script");
src.setAttribute("type","text/javascript");
src.setAttribute("src",ur1);
//通过标签查询到head节点,在节点里面加入子节点src
document.getElementsByTagName('head')[0].appendChild(src);
}
function aa(res){
console.log(res);
}
</script>
</head>
<body>
<input type="text" name="keyword"/><br>
<input type="button" value="搜索" onclick="sear();" />
</body>
</html>
视频中会alert(res)里面的内容,但是我不会,显示的是
好烦躁啊,搞了半天找不到错误!